| from __future__ import print_function, division, absolute_import |
| from fontTools.misc.py23 import * |
| |
| import os |
| import unittest |
| import struct |
| |
| from fontTools import ttLib |
| from fontTools.misc.testTools import TestCase |
| from fontTools.pens.ttGlyphPen import TTGlyphPen, MAX_F2DOT14 |
| |
| |
| class TTGlyphPenTest(TestCase): |
| |
| def runEndToEnd(self, filename): |
| font = ttLib.TTFont() |
| ttx_path = os.path.join( |
| os.path.abspath(os.path.dirname(os.path.realpath(__file__))), |
| '..', 'ttLib', 'data', filename) |
| font.importXML(ttx_path) |
| |
| glyphSet = font.getGlyphSet() |
| glyfTable = font['glyf'] |
| pen = TTGlyphPen(font.getGlyphSet()) |
| |
| for name in font.getGlyphOrder(): |
| oldGlyph = glyphSet[name] |
| oldGlyph.draw(pen) |
| oldGlyph = oldGlyph._glyph |
| newGlyph = pen.glyph() |
| |
| if hasattr(oldGlyph, 'program'): |
| newGlyph.program = oldGlyph.program |
| |
| self.assertEqual( |
| oldGlyph.compile(glyfTable), newGlyph.compile(glyfTable)) |
| |
| def test_e2e_linesAndSimpleComponents(self): |
| self.runEndToEnd('TestTTF-Regular.ttx') |
| |
| def test_e2e_curvesAndComponentTransforms(self): |
| self.runEndToEnd('TestTTFComplex-Regular.ttx') |
| |
| def test_moveTo_errorWithinContour(self): |
| pen = TTGlyphPen(None) |
| pen.moveTo((0, 0)) |
| with self.assertRaises(AssertionError): |
| pen.moveTo((1, 0)) |
| |
| def test_closePath_ignoresAnchors(self): |
| pen = TTGlyphPen(None) |
| pen.moveTo((0, 0)) |
| pen.closePath() |
| self.assertFalse(pen.points) |
| self.assertFalse(pen.types) |
| self.assertFalse(pen.endPts) |
| |
| def test_endPath_sameAsClosePath(self): |
| pen = TTGlyphPen(None) |
| |
| pen.moveTo((0, 0)) |
| pen.lineTo((0, 1)) |
| pen.lineTo((1, 0)) |
| pen.closePath() |
| closePathGlyph = pen.glyph() |
| |
| pen.moveTo((0, 0)) |
| pen.lineTo((0, 1)) |
| pen.lineTo((1, 0)) |
| pen.endPath() |
| endPathGlyph = pen.glyph() |
| |
| self.assertEqual(closePathGlyph, endPathGlyph) |
| |
| def test_glyph_errorOnUnendedContour(self): |
| pen = TTGlyphPen(None) |
| pen.moveTo((0, 0)) |
| with self.assertRaises(AssertionError): |
| pen.glyph() |
| |
| def test_glyph_decomposes(self): |
| componentName = 'a' |
| glyphSet = {} |
| pen = TTGlyphPen(glyphSet) |
| |
| pen.moveTo((0, 0)) |
| pen.lineTo((0, 1)) |
| pen.lineTo((1, 0)) |
| pen.closePath() |
| glyphSet[componentName] = _TestGlyph(pen.glyph()) |
| |
| pen.moveTo((0, 0)) |
| pen.lineTo((0, 1)) |
| pen.lineTo((1, 0)) |
| pen.closePath() |
| pen.addComponent(componentName, (1, 0, 0, 1, 2, 0)) |
| pen.addComponent("missing", (1, 0, 0, 1, 0, 0)) # skipped |
| compositeGlyph = pen.glyph() |
| |
| pen.moveTo((0, 0)) |
| pen.lineTo((0, 1)) |
| pen.lineTo((1, 0)) |
| pen.closePath() |
| pen.moveTo((2, 0)) |
| pen.lineTo((2, 1)) |
| pen.lineTo((3, 0)) |
| pen.closePath() |
| plainGlyph = pen.glyph() |
| |
| self.assertEqual(plainGlyph, compositeGlyph) |
| |
| def test_remove_extra_move_points(self): |
| pen = TTGlyphPen(None) |
| pen.moveTo((0, 0)) |
| pen.lineTo((100, 0)) |
| pen.qCurveTo((100, 50), (50, 100), (0, 0)) |
| pen.closePath() |
| self.assertEqual(len(pen.points), 4) |
| self.assertEqual(pen.points[0], (0, 0)) |
| |
| def test_keep_move_point(self): |
| pen = TTGlyphPen(None) |
| pen.moveTo((0, 0)) |
| pen.lineTo((100, 0)) |
| pen.qCurveTo((100, 50), (50, 100), (30, 30)) |
| # when last and move pts are different, closePath() implies a lineTo |
| pen.closePath() |
| self.assertEqual(len(pen.points), 5) |
| self.assertEqual(pen.points[0], (0, 0)) |
| |
| def test_keep_duplicate_end_point(self): |
| pen = TTGlyphPen(None) |
| pen.moveTo((0, 0)) |
| pen.lineTo((100, 0)) |
| pen.qCurveTo((100, 50), (50, 100), (0, 0)) |
| pen.lineTo((0, 0)) # the duplicate point is not removed |
| pen.closePath() |
| self.assertEqual(len(pen.points), 5) |
| self.assertEqual(pen.points[0], (0, 0)) |
| |
| def test_within_range_component_transform(self): |
| componentName = 'a' |
| glyphSet = {} |
| pen = TTGlyphPen(glyphSet) |
| |
| pen.moveTo((0, 0)) |
| pen.lineTo((0, 1)) |
| pen.lineTo((1, 0)) |
| pen.closePath() |
| glyphSet[componentName] = _TestGlyph(pen.glyph()) |
| |
| pen.addComponent(componentName, (1.5, 0, 0, 1, 0, 0)) |
| pen.addComponent(componentName, (1, 0, 0, -1.5, 0, 0)) |
| compositeGlyph = pen.glyph() |
| |
| pen.addComponent(componentName, (1.5, 0, 0, 1, 0, 0)) |
| pen.addComponent(componentName, (1, 0, 0, -1.5, 0, 0)) |
| expectedGlyph = pen.glyph() |
| |
| self.assertEqual(expectedGlyph, compositeGlyph) |
| |
| def test_clamp_to_almost_2_component_transform(self): |
| componentName = 'a' |
| glyphSet = {} |
| pen = TTGlyphPen(glyphSet) |
| |
| pen.moveTo((0, 0)) |
| pen.lineTo((0, 1)) |
| pen.lineTo((1, 0)) |
| pen.closePath() |
| glyphSet[componentName] = _TestGlyph(pen.glyph()) |
| |
| pen.addComponent(componentName, (1.99999, 0, 0, 1, 0, 0)) |
| pen.addComponent(componentName, (1, 2, 0, 1, 0, 0)) |
| pen.addComponent(componentName, (1, 0, 2, 1, 0, 0)) |
| pen.addComponent(componentName, (1, 0, 0, 2, 0, 0)) |
| pen.addComponent(componentName, (-2, 0, 0, -2, 0, 0)) |
| compositeGlyph = pen.glyph() |
| |
| almost2 = MAX_F2DOT14 # 0b1.11111111111111 |
| pen.addComponent(componentName, (almost2, 0, 0, 1, 0, 0)) |
| pen.addComponent(componentName, (1, almost2, 0, 1, 0, 0)) |
| pen.addComponent(componentName, (1, 0, almost2, 1, 0, 0)) |
| pen.addComponent(componentName, (1, 0, 0, almost2, 0, 0)) |
| pen.addComponent(componentName, (-2, 0, 0, -2, 0, 0)) |
| expectedGlyph = pen.glyph() |
| |
| self.assertEqual(expectedGlyph, compositeGlyph) |
| |
| def test_out_of_range_transform_decomposed(self): |
| componentName = 'a' |
| glyphSet = {} |
| pen = TTGlyphPen(glyphSet) |
| |
| pen.moveTo((0, 0)) |
| pen.lineTo((0, 1)) |
| pen.lineTo((1, 0)) |
| pen.closePath() |
| glyphSet[componentName] = _TestGlyph(pen.glyph()) |
| |
| pen.addComponent(componentName, (3, 0, 0, 2, 0, 0)) |
| pen.addComponent(componentName, (1, 0, 0, 1, -1, 2)) |
| pen.addComponent(componentName, (2, 0, 0, -3, 0, 0)) |
| compositeGlyph = pen.glyph() |
| |
| pen.moveTo((0, 0)) |
| pen.lineTo((0, 2)) |
| pen.lineTo((3, 0)) |
| pen.closePath() |
| pen.moveTo((-1, 2)) |
| pen.lineTo((-1, 3)) |
| pen.lineTo((0, 2)) |
| pen.closePath() |
| pen.moveTo((0, 0)) |
| pen.lineTo((0, -3)) |
| pen.lineTo((2, 0)) |
| pen.closePath() |
| expectedGlyph = pen.glyph() |
| |
| self.assertEqual(expectedGlyph, compositeGlyph) |
| |
| def test_no_handle_overflowing_transform(self): |
| componentName = 'a' |
| glyphSet = {} |
| pen = TTGlyphPen(glyphSet, handleOverflowingTransforms=False) |
| |
| pen.moveTo((0, 0)) |
| pen.lineTo((0, 1)) |
| pen.lineTo((1, 0)) |
| pen.closePath() |
| baseGlyph = pen.glyph() |
| glyphSet[componentName] = _TestGlyph(baseGlyph) |
| |
| pen.addComponent(componentName, (3, 0, 0, 1, 0, 0)) |
| compositeGlyph = pen.glyph() |
| |
| self.assertEqual(compositeGlyph.components[0].transform, |
| ((3, 0), (0, 1))) |
| |
| with self.assertRaises(struct.error): |
| compositeGlyph.compile({'a': baseGlyph}) |
| |
| |
| class _TestGlyph(object): |
| def __init__(self, glyph): |
| self.coordinates = glyph.coordinates |
| |
| def draw(self, pen): |
| pen.moveTo(self.coordinates[0]) |
| for point in self.coordinates[1:]: |
| pen.lineTo(point) |
| pen.closePath() |
| |
| |
| if __name__ == '__main__': |
| import sys |
| sys.exit(unittest.main()) |
